2010 Cadillac Truck Escalade RWD V8-6.0L Hybrid Page 316
DTC B3578 05
- Output Air Temperature Sensor 6 Circuit Short to Battery or Open
DTC B3583 02
- Output Air Temperature Sensor 7 Circuit Short to Ground
DTC B3583 05
- Output Air Temperature Sensor 7 Circuit Short to Battery or Open
Diagnostic Fault Information
Circuit/System Description
Air Temperature Sensors
The air temperature sensors are a 2-wire negative temperature co-efficient thermistor. The vehicle uses the following air temperature sensors:
* Ambient Air Temperature Sensor
* Inside Air Temperature Sensor Assembly
* Upper Left Air Temperature Sensor
* Upper Right Air Temperature Sensor
* Lower Left Air Temperature Sensor
* Lower Right Air Temperature Sensor
* Upper Auxiliary Air Temperature Sensor
* Lower Auxiliary Air Temperature Sensor
* Auxiliary Inside Air Temperature Sensor
A signal and low reference circuit enables the sensor to operate. As the air temperature surrounding the sensor increases, the sensor resistance
decreases. The sensor signal voltage decreases as the resistance decreases. The sensor operates within a temperature range between -40 to +101掳C
(-40 to +215掳F). The sensor signal varies between 0-5 volts. The HVAC control module converts the signal to a range between 0-255 counts. As
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